Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 78

    SEO

    Google-friendlier than
    40% of websites

dsl.1und1.de

1&1 DSL: Internet Angebote vom Testsieger sichern

Page Load Speed

5 sec in total

First Response

451 ms

Resources Loaded

3.7 sec

Page Rendered

822 ms

dsl.1und1.de screenshot

About Website

Welcome to dsl.1und1.de homepage info - get ready to check DSL 1 Und best content for Germany right away, or after learning these important things about dsl.1und1.de

DSL von 1&1 ✓ Jetzt inklusive 1&1 Cinema ✓ Top Streaming gratis ✓30 Tage testen ➤ Jetzt Angebot sichern!

Visit dsl.1und1.de

Key Findings

We analyzed Dsl.1und1.de page load time and found that the first response time was 451 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

dsl.1und1.de performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value1,390 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.06

98/100

15%

TTI (Time to Interactive)

Value12.7 s

13/100

10%

Network Requests Diagram

dsl.1und1.de

451 ms

satelliteLib-521fb497bc740130ff536c3fe88df572bd37c38b.js

76 ms

lead:Variante3

220 ms

lead:Variante3

346 ms

satellite-5536040e31656600144c0100.js

25 ms

Our browser made a total of 178 requests to load all elements on the main page. We found that 5% of them (9 requests) were addressed to the original Dsl.1und1.de, 11% (19 requests) were made to Assets.adobedtm.com and 8% (15 requests) were made to S1.uicdn.net. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source S2.uicdn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 438.9 kB (25%)

Content Size

1.8 MB

After Optimization

1.3 MB

In fact, the total size of Dsl.1und1.de main page is 1.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 103.3 kB

  • Original 126.8 kB
  • After minification 114.6 kB
  • After compression 23.6 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 103.3 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 59.9 kB

  • Original 1.2 MB
  • After minification 1.2 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. DSL 1 Und images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 275.8 kB

  • Original 411.4 kB
  • After minification 383.3 kB
  • After compression 135.7 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 275.8 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 105 (66%)

Requests Now

160

After Optimization

55

The browser has sent 160 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DSL 1 Und. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

dsl.1und1.de accessibility score

56

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

button, link, and menuitem elements do not have accessible names.

High

ARIA IDs are not unique

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

dsl.1und1.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

dsl.1und1.de SEO score

78

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dsl.1und1.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Dsl.1und1.de main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of DSL 1 Und. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: